When using a normal screen (4:3) and projecting 16:9 image
| Picture (Screen) size |
| Projection distance [L] | Distance from the lens center to | ||||
χ |
| Width |
| Height | Minimum [L1] | Maximum [L2] | the bottom of the image [H] | |
Diag. [ ] |
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300 (762 cm) |
| 240 (610 cm) |
| 180 (457 cm) | 32 0 (9.8 m) | 37 0 | (11.3 m) | 34 31/32 (89 cm) |
270 (686 cm) |
| 216 (549 cm) |
| 162 (411 cm) | 28 9 (8.8 m) | 33 4 | (10.2 m) | 31 15/32 (80 cm) |
250 (635 cm) |
| 200 (508 cm) |
| 150 (381 cm) | 26 8 (8.1 m) | 30 10 (9.4 m) | 29 9/64 (74 cm) | |
200 (508 cm) |
| 160 (406 cm) |
| 120 (305 cm) | 21 4 (6.5 m) | 24 8 | (7.5 m) | 23 5/16 (59 cm) |
150 (381 cm) |
| 120 (305 cm) |
| 90 (229 cm) | 16 0 (4.9 m) | 18 6 | (5.6 m) | 17 31/64 (44 cm) |
100 (254 cm) |
| 80 (203 cm) |
| 60 (152 cm) | 10 8 (3.3 m) | 12 4 | (3.8 m) | 11 21/32 (30 cm) |
80 (203 cm) |
| 64 (163 cm) |
| 48 (122 cm) | 8 6 (2.6 m) | 9 10 | (3.0 m) | 9 21/64 (24 cm) |
70 (178 cm) |
| 56 (142 cm) |
| 42 (107 cm) | 7 6 (2.3 m) | 8 8 | (2.6 m) | 8 5/32 (21 cm) |
60 (152 cm) |
| 48 (122 cm) |
| 36 (91 cm) | 6 5 (2.0 m) | 7 5 | (2.3 m) | 7 (18 cm) |
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40 (102 cm) |
| 32 (81 cm) |
| 24 (61 cm) | 4 3 (1.3 m) | 4 11 | (1.5 m) | 4 21/32 (12 cm) |
χ: Picture size (diag.) (in/cm) | The formula for picture size and projection distance | |||
L: Projection distance (ft/m) | [Feet/inches] | [m/cm] | ||
L1: Minimum projection distance (ft/m) | L1 | (ft) = 0.0325χ / 0.3048 | L1 | (m) = 0.0325χ |
L2: Maximum projection distance (ft/m) | L2 | (ft) = 0.03761χ / 0.3048 | L2 | (m) = 0.03761χ |
H: Distance from the lens center to the bottom of the image (in/cm) | H (in) = - 0.29601χ / 2.54 | H (cm) = - 0.29601χ | ||
Note
•Refer to page 18 concerning “Projection distance [L]” and “Distance from the lens center to the bottom of the image [H]”.
•There are some errors in the values in the diagrams above.
•Values with a minus
Setup
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